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Company profile Founded in 1978 in Genoa Focused on broadcasting microwave radio link High technology solutions High-flexibility to meet customers requests More than 5000 radio links in operation High-reliability 5-Years Warranty ISO 9001 certified 2
Mission Statement The improvement of its image and reputation on the worldwide market and hence the growth of the number of clients, the increase of the turnover, the territorial expansion and the entry in new areas of the market The satisfaction of all concerned parties (clients, staff, providers) and hence: The achievement of budgetary goals The maintenance of the occupational level The control of the number of complaints The elevated level of the client satisfaction The supply contracts of our providers The respect of implicit and explicit contractual commitments The attention to client communication The client assistance 3
Company profile Research & Development Systems, PCB and RF Circuits Design, FPGA and DSP based Signal Processing, Custom Solutions.. Laboratory Test of all parts of the equipment, Filters, Oscillators, Mixers, Amplifiers Calibrations, Climatic tests... 4
Company profile Mechanical workshop Chassis, RF Heads, Cavities, Rack, Filters, Circulators, Diplexers, Waveguides, Tripods.. Assembly Department PCB, Mechanical Parts, RF Circuits Assembling, Cables and Connectors Production, Power Supply Testing.. 5
Elber in the World 6
Exhibitions ELBER is present at the most important broadcasting exhibitions to present its new products, meet clients and discuss their needs. NABSHOW - Las Vegas IBC - Amsterdam CABSAT - Dubai Broadcast Asia - Singapore 7
ELBERS PRODUCT RANGE January 2008 8
Introduction Analogue and Digital transport systems over Microwave links High performance Reliability Flexible solutions 9
Why DVB-ASI? Flexible Variable Bit Rate HD Ready ASI (Asynchronous Serial Interface) Modulation Scheme Net Bit Rate Payload Modulation STM-1 48.4 Mbit/s 155.52 Mbit/s 128 QAM ASI 48.4 Mbit/s 54 Mbit/s 16 QAM Efficient Use of Bandwidth Trsehold -70 dbm -80 dbm Bandwidth 28 MHz 20 MHz Output Power* +30 dbm +33 dbm System gain 100 db 113 db Notch tolerance (mp, nmp) 17 db 40 db *With booster 8W DVB-T standard (EN 50083-9:1998) Cutting-edge Technology Optimised for Broadcasting 10
System Description [1] Equipment Realised With Standard Features: Compact Design (1U rack 19 ) Power Supply: AC 230 V ± 10% DC 22 to 65 V Local Management through keypad and LCD display. Remote Control through: Ethernet (SNMP) RS485 RS232 11
System Description [2] System can be subdivided in four sections: Parabolas Flange Feeders Branching Transmitters Boosters Receivers Mod/dem FM Modem QPSK/QAM Mod/dem COFDM Encoders/Decoders PDH Mux/Demux Analogue Video/audio Ethernet Monitoring Channels Network Adapters ASI Mux/Demux ASI Distributors Hitless Switch 12
Radio Section Fixed and Mobile Links: Transmitters and Receivers available in indoor or in split version configuration. T_SL The new range permits optimised performance in both analogue and digital transmission. Phase noise oscillators Filters Selectivity Output Power Control Frequency Agile MT 13
Indoor Radio Links SL Line Slim Line Indoor Units Analogue and Digital Double conversion system 4 GHz 15 GHz Maximum power up to +30 dbm (after branching) Frequency Agile Frequency span up to 500 MHz Channel Bandwidth 3 28 MHz 70 MHz Generation High spurious suppression Low noise receiver Path link equaliser T_SL R_SL 14
Boosters Amp Line A new line of power amplifiers (2U rack 19 ) is shown. Frequency [GHz] Power [W] Gain Consumption [W] 2 20 10-12 60 5 8 8 40 5 15 8 65 6 40 9 120 10 12 8 13 50 10 12 15 13 65 14 8 10 65 15
Split type radio links Weather Proof Outdoor Units Double Frequency Conversion (70-1100 MHz) Analogue and /or Digital 5 GHz 22 GHz Frequency Agile Frequency Span up to 300 MHz Up to +30 dbm power output (after branching) Optional internal Booster (8 W) Local monitoring for antennas alignment 16
Control Unit for Split-type system TCU Series The control units for the external equipment are available according to the modulation scheme. The standard version characteristics are: IF 70 MHz External RF Head 48 VDC RF Head Monitoring and configuration Three other versions are available 1. Modulator/Demodulator 70 MHz FM 2. Modulator/Demodulator COFDM 3. Encoder/Decoder MPEG-2 4:2:0/4:2:2 4. Combination of FM and COFDM TCU/R 17
Analogue Mod/Dem Analogue mod/dem line has been improved with the use of digital techniques based on fast FPGA processing. 1 Video 4 Audio Mono IF 70 MHz Digital IF Processing TCU Series TCU/R/MOD RCU/R/DEM Board DEM FM 18
Digital Modem DDM310 High performace, reliability and flexibility are the main features of the digital modem DDM310. Modulator/Demodulator/Modem Data interface: DVB-ASI, DS3, E3, STM-1, STS-1, E1 QPSK, 16, 32, 64, 128, 256 QAM DDM310 Bandwidth from 3,5 MHz to 28 MHz External FEC Reed-Solomon Internal FEC convolutional/ptcm 6 pre-set configurations 24 taps powerful adaptive equalizer Digital Pre-correction 19
Digital Modem Payload Consideration for each modulation scheme: 20 or 28 MHz bandwidth Reed-Solomon coding able to correct 10 bytes on a 250 bytes frame at least convolutional coding Modulation Bandwidth 20 MHz Bandwidth 28 MHz QPSK 25 Mbit/s 35 Mbit/s 16QAM 54 Mbit/s 72 Mbit/s 32QAM 66 Mbit/s 92 Mbit/s 64QAM 82 Mbit/s 108 Mbit/s 128QAM 104 Mbit/s 138 Mbit/s 256QAM 115 Mbit/s 160 Mbit/s 20
Notch Tolerance [1] The digital modem distinguishes itself from other modems due to high tolerance it can withstand caused by multi-path fading, thus applicable to difficult environments. Channel Distortion Sensitivity (Signature) at 1E-6 for Class 2 System (CS 28 MHz) 10,00 15,00 20,00 Notch Depth (db) 25,00 30,00 35,00 40,00 45,00 50 55 60 65 70 75 80 85 90 Frequency (MHz) Signature at BER = 1e-6 with 16 QAM modulation and 45 Mbit/s bitrate (blue) compared with ETSI EN 301 216 (red) 21
Notch Tolerance [2] Notch Tolerance up to 17 db in high modulation schemes (eg. 128 QAM), higher at lower modulating schemes Channel Distortion Sensitivity (Signature) at 1E-6 for Class 5a System (CS 27,5 MHz) 10 15 20 Notch Depth (db) 25 30 35 40 45 45 50 55 60 65 70 75 80 85 90 95 Frequenza (MHz) Signature at BER = 1e-6 with 128 QAM modulation and 140 Mbit/s bitrate (blu) compared with ETSI EN 300 430 (red) 22
Receiving Signal Threshold Low Threshold due to High performance of SL microwave link and DDM310 digital modem. Modulation scheme Parameters: 28 MHz bandwidth Reed-Solomon coding able to correct 10 wrong bytes Convolutional coding Modulation QPSK 16QAM 32QAM 64QAM 128QAM 256QAM Thres. -86 dbm -80 dbm -76 dbm -73 dbm -70 dbm -67 dbm 23
B.E.R. vs RF Field 28 MHz Channel 128 QAM 138 Mbit/s campo -75-73 -71-69 -67-65 1,00E-02 1,00E-03 1,00E-04 1,00E-05 1,00E-06 1,00E-07 1,00E-08 1,00E-09 1,00E-10 BER 20 MHz Channel uncoded ptcm 13/14 no RS 128 QAM 104 Mbit/s ptcm 13/14 con RS campo -75-73 -71-69 -67-65 1,00E-02 1,00E-03 1,00E-04 1,00E-05 1,00E-06 1,00E-07 1,00E-08 1,00E-09 1,00E-10 BER 64 QAM 108 Mbit/s 64 QAM 82 Mbit/s uncoded ptcm 11/12 no RS ptcm 11/12 con RS campo -78-76 -74-72 -70-68 1,00E-02 1,00E-03 1,00E-04 1,00E-05 1,00E-06 1,00E-07 1,00E-08 1,00E-09 1,00E-10 BER campo -78-76 -74-72 -70-68 1,00E-02 1,00E-03 1,00E-04 1,00E-05 1,00E-06 1,00E-07 1,00E-08 1,00E-09 1,00E-10 BER 24
Power Digital predistortion, in a 128 QAM configuration with booster permits a 33 dbm at C point. Modulation QPSK 16QAM 32QAM 64QAM 128QAM 256QAM Back-off 4 db 6 db 7 db 8 db 10 db 11 db Power +29 dbm +27 dbm +26 dbm +25 dbm +23 dbm +22 dbm 25
XPIC XPIC (Cross Polarisation Interference Cancellation) technology doubles the capacity of the link utilising two polarisation and a single frequency. Single polarisation transmission Double polarisation transmission 26
COFDM Modulator For semi-fixed and mobile applications, a multi-carrier COFDM digital modulator has been realised. COFDM 2K/8K DVB-T compliant QPSK, 16, 64 QAM Modulation 6/7/8 MHz Bandwidth IF 36 MHz ASI Input COFDM Spectrum Integrated Encoder MPEG-II 4:2:0/4:2:2 COFDM Modulator Board 1 video + 4 audio mono Low latency (100 ms) 2-way Diversity Receiver 27
COFDM Demodulator The COFDM demodulator accepts two RF input signals; depending on configurations can be used as: Single Channel (antenna 1) Single Channel (antenna 2) Diversity Receiver 28
Multiplexing Section RK210 Line RK210 Accessory used in digital systems, permit to: multiplex heterogeneous streams in a single composite ASI stream (proprietary protocol); get the original streams from the composite ASI ; used together with DDM310 will efficiently exploit the available bandwidth. 29
Multiplexing Section RK210 Line Modular equipment Can lodge up to 4 plug-in modules : DVB-ASI Multiplexer (RMX4) DVB-ASI Remultiplexer (RMX4R) DVB-ASI Demultiplexer (DMX4) ASI Distributor (ASID4) Hitless Switch (HS210) E3 / ASI (DS3_T) ASI / E3 (DS3_F) 4xE1 / ASI ASI / 4xE1 RMX4 Plug-in board 30
RK210 In order to transport streams over the same microwave link more than one DVB-T/H bouquet, transparent multiplexers are used. No original data is changed SFN compatible 31
RK210 To integrate telephone network with a TV microwave link, a series of interfaces has been realised. NETWORK ADAPTER SITE 1 SITE 2 E3 E3 RK210 DS3_T RK210 DS3_T RK210 RMX4 MOD TX RX DEM RK210 DMX4 RK210 DS3_F RK210 DS3_F E3 E3 32
RK210 To have redundant configuration (frequency and space-diversity) an hitless switch is available. 33
Head-end PDH/SDH Transmitting Site Receiving Site 34
Portable Links CPM Line Mobile microwave link CPM line allows fast connection in difficult places, thanks to the simple yet robust mechanical structure and due to the excellent performance of electronic part. Simplex, Double Simplex o Duplex Analogue and/or Digital COFDM 2k/8k FM External IF input (eg: DDM310) Frequency: 6 15 GHz Frequency agile up to 500 MHz Integrated Encoder SD-MPEG-II 4:2:0/4:2:2 Video Inputs: YUV, Y/C SDI DVB-ASI CPM Audio Inputs: 4 mono channels, DVB-ASI, SDI audio embedded Weatherproof RF Heads 35
Mobile Links SPM Line SPM Mobile Links Line has a robust mechanical structure, useful in external semi-fixed applications. Simplex, Double Simplex o Duplex Analogue or Digital Frequency: 6 15 GHz Frequency agile up to 500 MHz Max Power Output: MT/07 +33 dbm ±1 db MT/10 +30 dbm ±1 db MT/14 +30 dbm ±1 db Weatherproof RF Heads Carrying case SPM 36
PVT Line This range of products allows the fast setting up of temporary / permanent radio link systems for video signal transmission in either analogue or digital transmission Analogue or Digital Frequency: 6 22 GHz Frequency agile up to 500 MHz Max Power Output: 6 GHz +31.5 dbm ±1 db 10 GHz +30 dbm ±1 db 18 22 GHz +26 dbm ±1 db RF HEAD Weatherproof RF Heads CONTROL UNIT 37
Wireless Camera Digital wireless camera offers fast reliable links for news and studio applications. COFDM 2K QPSK, 16QAM, 64 QAM Frequency 2.3 2.7 GHz Power out: 0 dbm 600 mw with antenna active Composite and Component Video Input Diversity Receiver 8 pre-settable configurations WLCT-02 ( Studio ) Encoder 4:2:2/4:2:0 SDI video (audio embedded) 4 audio channel Latency < 64 ms 38